E200 — пищевая добавка, консервант: сорбиновая кислота, sorbic acid (Е200)

Occurs naturally in fruit, used as a preservative it inhibits fungal growth but allows for bacterial activity, hence is useful for cheese. Obtained from the berries of mountain ash or synthesised from ketene; possible skin irritant, and may cause rashes, asthma and hyperactivity.. Sorbic acid is used in conjunction with sulphur dioxide in wine making, without SO2 bacteria cause reduction of sorbic acid to sorbyl alcohol which converts to a foul smelling ether. Also used as a preservative in cosmetics and pharmaceuticals. Sorbic acid had a conjugated system of double bonds which makes it susceptible to nucleophilic attack, sometimes giving mutagenic products. Food labelled as containing E200 may actually contain sodium, potassium or calcium sorbate instead (E201, E202 and E203 respectively). Typical products include wine, cheese, other fermented products, desert sauces and fillings, soups, sweets, drinks, yeast goods.



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